.a {
    background: url(../img/555.jpg);
    background-repeat: no-repeat;
    width: 100%;
    background-size: cover;
    height: 1000px;
    position: absolute;
}

.b {
    color: white;
    text-align: center;
    font-size: 30px;
    margin-top: 20px;
}

.c {
    font-size: 20px;
    display: inline-block;
    color: white;
    margin-left: 45px;
    margin-top: 130px;
    vertical-align: top;
}

.input {
    height: 25px;
    width: 130px;
    border-radius: 20px;
    border: 1px solid #000000;
    font-size: 20px;
    color: #000000;
}

.d {
    margin-top: 20px;
    background: #83bde8;
    border: 1px solid #83bde8;
    cursor: pointer;
    font-size: 20px;

}

.e {
    text-align:center;
    padding-left: auto;
    padding-top: 10px;
}

.g {
    color: white;
    text-align: center;
    margin-top: 150px;
}
